运行android-cmd.bat,使用cd命令切换到samples/hello-jni目录下,
运行android update project -p . -s,会生成build.xml文件,用于ant命令,要注意的是,编译的时候会发生错误,提示:
Error: The project either has no target set or the target is invalid.
Please provide a --target to the 'android.bat update' command.
这个时候,可以使用android list targets命令来查看当前系统中的android模拟器,我有两个,如下:
I:androidandroid-ndk-r7csamples
ative-activity>android.bat list targets
Available Android targets:
----------
id: 1 or "android-8"
Name: Android 2.2
Type: Platform
API level: 8
Revision: 1
Skins: HVGA, QVGA, WQVGA400, WQVGA432, WVGA800 (default), WVGA854
ABIs : armeabi
----------
id: 2 or "android-10"
Name: Android 2.3.3
Type: Platform
API level: 10
Revision: 2
Skins: HVGA, QVGA, WQVGA400, WQVGA432, WVGA800 (default), WVGA854
ABIs : armeabi
如果没有的话,需要使用SDK的AVD Manager来创建一个就可以了.而我使用的是android 2.3.3的模拟器,所以我的编译命令是:
I:androidandroid-ndk-r7csamples
ative-activity>android update project -p . -
t android-10 -s
Updated and renamed default.properties to project.properties
Updated local.properties
No project name specified, using Activity name 'NativeActivity'.
If you wish to change it, edit the first line of build.xml.
Added file I:androidandroid-ndk-r7csamples
ative-activityuild.xml
Added file I:androidandroid-ndk-r7csamples
ative-activityproguard.cfg
从上面看出,已经生成了build.xml文件了.
运行ant debug命令,输出如下:
I:androidandroid-ndk-r7csampleshello-jni>ant debug
Buildfile: I:androidandroid-ndk-r7csampleshello-jniuild.xml
-set-mode-check:
-set-debug-files:
-set-debug-mode:
-debug-obfuscation-check:
-setup:
[echo] Gathering info for HelloJni...
[setup] Android SDK Tools Revision 16
[setup] Project Target: Android 2.2
[setup] API level: 8
[setup]
[setup] ------------------
[setup] Resolving library dependencies:
[setup] No library dependencies.
[setup]
[setup] ------------------
[setup]
[setup] WARNING: Attribute minSdkVersion in AndroidManifest.xml (3) is lower
than the project target API level (8)
-build-setup:
[echo] Creating output directories if needed...
-pre-build:
-code-gen:
[echo] ----------
[echo] Handling aidl files...
[aidl] No AIDL files to compile.
[echo] ----------
[echo] Handling RenderScript files...
[renderscript] No RenderScript files to compile.
[echo] ----------
[echo] Handling Resources...
[aapt] Found Deleted Target File
[aapt] Generating resource IDs...
-pre-compile:
-compile:
[javac] Compiling 2 source files to I:androidandroid-ndk-r7csampleshello
-jniinclasses
-post-compile:
-obfuscate:
-dex:
[dex] Converting compiled files and external libraries into I:androidand
roid-ndk-r7csampleshello-jniinclasses.dex...
-crunch:
[crunch] Crunching PNG Files in source dir: I:androidandroid-ndk-r7csample
shello-jni
es
[crunch] To destination dir: I:androidandroid-ndk-r7csampleshello-jniin
es
[crunch] Crunched 0 PNG files to update cache
-package-resources:
[aapt] Creating full resource package...
[aapt] Warning: AndroidManifest.xml already defines debuggable (inhttp://s
chemas.android.com/apk/res/android); using existing value in manifest.
-package:
[apkbuilder] Current build type is different than previous build: forced apkbuil
der run.
[apkbuilder] Creating HelloJni-debug-unaligned.apk and signing it with a debug k
ey...
-do-debug:
[zipalign] Running zip align on final apk...
[echo] Debug Package: I:androidandroid-ndk-r7csampleshello-jniinHell
oJni-debug.apk
debug:
[propertyfile] Creating new property file: I:androidandroid-ndk-r7csampleshe
llo-jniinuild.prop
[propertyfile] Updating property file: I:androidandroid-ndk-r7csampleshello-
jniinuild.prop
[propertyfile] Updating property file: I:androidandroid-ndk-r7csampleshello-
jniinuild.prop
[propertyfile] Updating property file: I:androidandroid-ndk-r7csampleshello-
jniinuild.prop
BUILD SUCCESSFUL
Total time: 5 seconds
从上面,可以看出,生成了HelloJni-debug.apk,那么使用adb命令安装到当前的虚拟机上就可以了.
运行adb install bin/HelloJni-debug.apk命令,如果出现:error: device not found,说明你的android模拟器尚未start.
运行后,出现如下提示:
185 KB/s (85934 bytes in 0.453s)
pkg: /data/local/tmp/HelloJni-debug.apk
Success